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Human SIRPA protein
SKU: orb605248
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Description
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−Item 1 of 3
| Application Notes |
|---|
Key Properties
−| Source | Mammalian cell |
|---|---|
| Biological Origin | Homo sapiens (Human) |
| Tag | C-terminal 6xHis-Myc-tagged |
| Molecular Weight | 41.8 kDa |
| Expression Region | 31-370aa |
| Protein Length | Partial |
| Protein Sequence | EEELQVIQPDKSVLVAAGETATLRCTATSLIPVGPIQWFRGAGPGRELIYNQKEGHFPRVTTVSDLTKRNNMDFSIRIGNITPADAGTYYCVKFRKGSPDDVEFKSGAGTELSVRAKPSAPVVSGPAARATPQHTVSFTCESHGFSPRDITLKWFKNGNELSDFQTNVDPVGESVSYSIHSTAKVVLTREDVHSQVICEVAHVTLQGDPLRGTANLSETIRVPPTLEVTQQPVRAENQVNVTCQVRKFYPQRLQLTWLENGNVSRTETASTVTENKDGTYNWMSWLLVNVSAHRDDVKLTCQVEHDGQPAVSKSHDLKVSAHPKEQGSNTAAENTGSNER |
| Purity | Greater than 95% as determined by SDS-PAGE. |
| Endotoxins | Less than 1.0 EU/μg as determined by LAL method. |
Storage & Handling
−| Storage | The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃. |
|---|---|
| Form/Appearance | Lyophilized powder |
| Buffer/Preservatives | Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0 |
| Disclaimer | For research use only |
Alternative Names
−Brain Ig-like molecule with tyrosine-based activation motifs (Bit) (CD172 antigen-like family member A) (Inhibitory receptor SHPS-1) (Macrophage fusion receptor) (MyD-1 antigen) (Signal-regulatory protein alpha-1) (Sirp-alpha-1) (Signal-regulatory protein alpha-2) (Sirp-alpha-2) (Signal-regulatory protein alpha-3) (Sirp-alpha-3) (p84) (CD_antigen: CD172a) (SHP substrate 1) (SHPS-1) (BIT) (MFR) (MYD1) (PTPNS1) (SHPS1) (SIRP)
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Human SIRPa Protein, hFc-His Tag [orb689370]
The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.
The protein has a predicted molecular mass of 70-98 kDa after removal of the signal peptide.
Mammalian
10 μg, 50 μg, 100 μg 
Human SIRPA [orb2995109]
Unconjugated
SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.
Predicted: 38.31 KDa. Observed: 45-65 KDa, reducing conditions
10 μg, 50 μg, 500 μg, 1 mgMouse SIRPA [orb2994264]
Unconjugated
SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.
Predicted: 64.8 KDa. Observed: 115-125 KDa, reducing conditions
10 μg, 50 μg, 500 μg, 1 mg
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(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
Measured by its binding ability in a functional ELISA. Immobilized SIRPA at 2 μg/ml can bind human CD47, the EC50 of human SIRPA protein is 58.30-85.04 ng/ml.
Human SIRPA protein His/Myc tag captured on COOH chip can bind Human CD47 protein Fc tag with an affinity constant of 19.1 nM as detected by LSPR Assay.
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Human SIRPA protein (orb605248)
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